Depositing machine



F. WESTERMAN.

DEPOSITING- MACHINE. APPLICATION FILED APR. I2, I918. RENEWED JUNE 5. I922. LAMA. 15., Patented Oct. 31,1922,

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DEPOSITING MACHINE. APPLICATION FILED APR. lg, 1918. RENEWED JUNE 5, I922. 11. ,434,175, Patented 00t- 311, 11922.

9 SHEETS-SHEET 2- O O 9 O l Q I w 0 Q1 ll 9 lf 9 1 v N Ra W g m q 3' o Q R k N -l l i q? 3 m x 8 1; m 8: 0 J8 0 q; A O

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\By' W F. WESTERMAN.

DEPOSITING MACHINE. APPLICATION FILED APR. 12, I918- RENEWED JUNE 5, 1922.

Rammed @ct 311, 1922.

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lfluewtow F- WESTERMAN. DEPOSITING MACHINE- APPLICATION man APR. 12, 1918. RENEWED JUNE 5. 1922.

Patented 00%. 311 11922.

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F. WESTERMAN.

DEPOSITING MACH|NE. APPLICATION FILED APR.12, 19m. RENEWED JUNE 5. 1922.

1AM9I75D Puma Oct, 311, 11922,

. 9 SHEETS-SHEET 5.

F. WESTERMAN DEPOSITING MACHINE.

APPLICATION FILED APR. 12. I918- RENEWED JUNE 5.1922.

Emmm 0st 351 11922,

9 SHEETS-SHEET 6.

F. WESTERMAN:

DEPOSITING MACHINE.

APPLICATION FILEDVAPR. 12, 1918. RENEWED JUNE 5, 1922.

Emma Oct 311;]192&

9 SHEETS-SHEET 1.

LLL

, DEPOSITING-MACHINE.

APPLICATION FILED APR. 12. I918- RENEWED JUNE 5-1922.

WESTERMAN.

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LkSQAT/Se V///// Vf rl W W w W W W F. WESTERMAN.

DEPOSITING MACHINE.

APPLICATION FILED APR. 12. ms. RENEWED JUNE 5.1922.

'L m lwo Patented M. mg 1922 9 SHEETS-SHEE1 9.

Patented @ct. Bil, T1922.

FIR-ED153103 w rmin oi CHICAGC, mam.

niarosrr ne- Macrame.

a ncatimi iilezihpril 2, ieiaser'iai n6. 228,255. Renewed tunes, 19221' Serial a... 565,993.

To 'aZZw/wm timing/concern: I

Be it known'thatl. l nsimnicn Vl iis' ie a citizen of the United States'iQi'esulatChicago. in the county of Cool: and ate of Illinois, have ini'en'ted certain new and useful ln'i' 'irox' ements in Depositing Machinesgot' which I do declare the following to beta "Full. clear, and exactdes -ripti'o n' reference being had to the accompanying draw ings, forn' iing" a part of'this specific ti'on.

The invention has relation more particularly to depositing" machines of thekind designed to deposit marshmallow, chocolate, frosting. or sin'iilar. substances, onthe' surfaceot' c'a'kesfo'r the like, and the invention consists in the novel features of construction hereinafter described, ill'ustrated in the accompanyingdrawings and particularly ooi ted out'in the claims at the end of this spa ification. I V L In reissued Letters Patenti lo.'13,999, granted to me ()ctolier 19, 1915-, there is shown a depositing machine of the character to which myinvention. more particularly r v 7 1201s an enlarged detail-view oi thejmecharelates,and' as much of thestructure hereinal't described is 't'ully'set forth in said reissued Letters Patent; reference thereto may he had for a better understandingv of the general features of constructimi or the pres "inachineqj fin the drawings. Fig. I is a View in elevation of one side of my improved machine, portions being omitted. 2 is a x iew in elevation from the opposite side of the manner Oi attaching the cam Hi the shaft 12. Fig. 3 is a plan View. Fig. dis a View iuver! cal section on lined- 1 of 3. Fig; is a view in vertical longitudinal sec tion through the feed. mechanism in different position from that shown in Fig. 4. Fig.6 an enlarged detailperspectivewiew of a portion 01'? the feed mechanism. Fig. 6" shows in detail parts shown in F ig'. l. Fig. '7 is a view in front elevation. Fig. 8 is an enlarged detail VlGW in vertical [section through the lower part of the receptmi-le for the coating" i'naterial and adjacent portions of the teedmechanism. Fig. Qis a; view similar to Fig. 8 but showing the parts in dilferent position." Fig. 10 is a'detail perspeetive view of one of the lowermost pushers or i'eeders. Fig. 11 is a detail perspective view of another of the lowermost pushchine? Fig. 2 is a detail view showing the.

ers or feeders showing part of its actuating mechanism. FigflQ is an enlarged inverted plan view showing a part of. the elongated nipples or orilices below the receptacle for marshmallow or the like. Fig. 13 is-a perspective View showing; an elongated cake having its coating of marshmallow or the like. "Fig. 14 is a plan View illustratinga modified form of the fixed steps and two lowern iost pushers of the feeding mechanisinfi Fig. 15 is a view in vertical section on line 15 15 of Fig. let, the receptacle for marshmallow, =etc.,loeing also shown in section. Fig. 1.6 is an enlarged iewof one of the side frames of the feeding mechanisni the stationary teed steps-being shown in. section. Fig.17 isan 'enlarged view in vertical section through the movable feed stepsor feeders. FigIlS is a perspective view showing the front portions; o'ftwo adjacent fixed steps ofthe feed mechanismfthe v.inovable steps. being omitted. Fig. l9 is a,

perspectiveiview showing a p0rtion of the front. ends of ZlChfLCQIlt' movahleflsteps' or ieeders, the fixed steps hemp; omitted. F 1g.

nism shown in F ig. 15 forfoperating the. lowermost. feeder or pusher and thegroup of movable steps or feeders. Fig. 211s aplan View of the part of th'emechanism, operating the'group of mova-hle steps and the two lowermost pushersor feeders. F ig. 22is a detail view showing certain parts of themechanism for operating, the next to the lowermost pusher and the group of movable feed steps.

Fig. 23 is a' detail View in section showing the mechamsiu tor ad nstmg the throw of the pusher or feeder i 'llhe-ma'in frame 1 ot the machine is shown as of the same construction as that setforth in my ahovem'entioned reissued .Patent No. 13,999. .S uiLlSO, the receptacle 2- -,for fthe. marshmallow or-other coating material, the valve 3 ,for' controlling the flow of material through the nipples or orifices a; at the bottom 0t said receptacle, the plungersfi. and mechanism for operatmgthese parts, may be ithe same as in my aforesaid atent, .the valve and plunger 6 hem hoards 28 carrier. Fig. 4), the endless carrier 27 passing over a arranged. superposed steps by which the strips S;

the rods 5-1 being effected as in the machine of my above mentioned patent.

While my present invention is adapted for use in connection with various means for initially advancing the cakes to be coated, I prefer tov employ sets of alternately cakes may be delivered in rows beneath the orifices 4L of the receptacleQ through which the coating material will be delivered Onto the surface of the cakes. The initial feeding mechanism shown comprises relatively fixed and movable steps 78 and 7 9 (see Figs. 4, 5 and 6) which are preferably mounted upon the carrier frame section or bed39. Both sets of steps oscillate with the frame section 39 about the shaft 44, as the inner end of the frame section israised andlowered by-the rods 54. The relatively movable steps are also reciprocated to move the cakes over the relatively fixed steps 78 and advance them towards the depositing device, these fixedsteps 7 8 being secured together but arrangedlwith spacesbetween them to admlt the reciprocating steps or feeders 79. ias comprising longbars or slats that are These latter steps or feeders 79 are shown bolted togetheras at S, with interspacing feeders 7 9- move between the fixed steps 78 above and below them, respectively, and also between guides or fingers78 that are secured to and extend overthe upper faces of the fixed steps 7 8'and projectoutwardly, as shown, from the front edges of the steps 78.. Each of the guides or fingers 7 8 is preferably formed, as shown in Figs. f, o and 6, that is to say, with a shallow part extending over the topof the fixed step to which it is secured and with a deeper portion extending downwardly across the front edge of said step. The guides or fingers 78 are in alinement so that they insure the accurate guiding of the cakes fromthe platform 78 to the bottom of the feeding mechanism.

-The movable steps orfeeders79 are connected by a link 80 to the upper end of an oscillating arm or lever 81 which is mounted upon a cross shaft 44f. An eccentric rod 82 is adj ustably connected to the lower slotted end of this arm or lever 81 and is provided at its forward end with a strap 83.which engages an eccentric 84 on the shaft 12. Be-

neat-h the series of steps 78 and 79 is arranged a feeding device 85 that is also reciprocated but is not bolted to the other reciprocating steps. (See Figs. 4, 8 and 10).

This feeding device 85 is connected at its outer end by' an adjusting link 86 to the lower end of anarm 87, the upper endof which is pivoted to the under side of the These reciprocating steps on uppermost stationary step or platform 7 8" and is also connected by alink 88 to the bracket 8O on the series of reciprocating steps. By this mechanism, which is substantially the-same "as in my'above mentioned reissued patent, the throw of the feeding device'85 is nearly twice as great as that of the other reoiprocatingsteps 79..

In order to space the lower cakes at proper distances apart so that theywill be-accurately brought in front of the nozzles 4. through which the coating material will be discharged onto the cakes, I have shown the end of the feeding device 85 (see Figs. 3

and 10) as provided with a seriesof oblong pockets 85, each pocket being adaptedto receive a cake, and on the top of this end of the feeding device is preferably arrangeda transverse guard plate or metal strip 85 (see Fig- 10) that extendsslightly over' the ends of the pockets 85 so as to prevent the tipping or tilting of the cakes. Beneath the feeding device 85 and between said device and the endless carrier 27,

is arranged the pusher or'supplemental feeding device which constitutes the. main feature of the present invention. Thissupple mental feeding device (see Figs. 4, 8, 9 and 11) is shown as comprising a frame or-plate A, the feedingend of-which isjp'referably 5 provided 'with'a series of cake-receiving pockets at and with a guard plate orstripper a extending over the inner ends of said pockets, the end of this supplemental feeding device being similar to the corresponding end of the feeding device 85 last described, the guard plate or stripper a serving to, effectively hold the cakes while: the coating material is being applied thereto and to strip or pull away the cakes from the nozzles as the table is lowered. A function of this supplemental feeding device A is to gradually advance the cakes beneath the feeding nozzles 4: as the coating material-is discharged from said nozzles onto the upper surfaces of the cakes. Q

In the machine 'of my above mentioned reissue Letters Patent No. 13,999, there is no u relative movementbetween the feeding mechanism and the receptacle from which the marshmallow or like material. is ejected for moving'the cakes as they are being coated, the cakes remaining stationary during the coating operation. In my present invention, 1 contemplate that there shall be arelative movement between the cakes that are being coated and the nozzles through' which the coating material isejected onto the cakes, and preferably this is accomplished by advancing the cakes during the coating'operation' so that the coating matenear-nae marshmallow or like material is ejected, are narrow orifices of oblong shape, the length of the orifices corresponding to the Width of the cakes to be coated.

I prefer to actuate the supplemental feed ing device A by the mechanism next to be described: Adjacent the outer end of theframe A (see Fig. 11) are depending lugs to which are pivotally connected, as at b, the

rock arms C are pivotally connected by links 0 to the ripper ends of the rock arms D mounted upon a rock shaft d' that is journaledvin brackets d (see Figs. l and 7) bolted to and depending from the sides 1 of the main frame at its front end. of the rock shaft cl extends outside the adja cent bracket (1' (see Fig 2) and has fixed thereon an arm having a slot e therein, in which slot works a pin 7 that is suitably linked, as by an adjustable turnbuckle F, to the lower end of the elbow lever G, that is pivotally mounted, as at g, to a stud projecting outwardly from the main frame of the machine. lever Gr carries a pin preferably furnished with a friction roll or sleeve adaptedto bear against the periphery of an eccentric or cam H that is mounted upon the outer end of the shaft 12 see Figs. Qand 2). Preferably, this cam li-l is adjustablyunounted upon the shaft 12 and encircles, the hub of a plate H. that is fixed to the sha ft and is provided with slots 7. to receive theset screws or bolts h by Which the cam H can be adjustably connected to the plate H. v This adjustment of the cam or eccentric H enables the movement of the supplemental feeding device A to be accurately timed with respect to the operation of the means by which the coating material is delivered to the surface of the cakes and the turnbuckle F enables the throw I o lt' the suppiemental feeding device A to be the otherend to a fitted member, as for erg ample, the bracket (2 The operation of the machine, except as to the feature of the supplemental feeding device 01 mechanism by which thecakes are advanced beneath the discharge orifices d'ur ing the coating of the cakes, 1s 1n the ma1nas in the machine set forth n my abovementioned reissued Letters Patent. That is One end The upper end of the elbow 'plemental feeding device it row of cakesforward and thus cause the,

to say,the,cakes are placeddn-a.pileaon the platform FSt-and the operators arrange-them in rows in thepocketsformedby-theflngers taat project from the edges of the 2.31321- tionary steps 78. The movable steps 79, the feeding device .85 andithe supplemental feeding device are .reciprocatedby the mechanism described, andLtl'iis action .will cause k the cakes to move .torwai-dly down the steps,

droppingfromone. to another, until fromi the feeding device they are droppedonto the guard plateormetal strip-a of the suppleiigie'ntal feeding d vice A, iwhich'time the inner'edge of th I wdstrip ai'willbe at the extreme of its inward movement, as indicated inl ig, 9 of the drawing. As the supplemental fee'dingvdevice ii. is retracted, as shown in 8, it willcausethecakes to drop therefrom nto the carrier belt 27' and into the pockets (5 at theninner end of the supplementalfeeding device,v so thatuivhen the siupplemental feeding device visag ain moved inwardly towardsithe.position shown in Fig. 9, the cakes will be forced beneath the chsch'arge: nozzles or orifices 4 throughwhich the coating material will be delivered onto the surface otthe cakes, The TGlZltlVG movement of the valve 3 iand plungers 6 at the bottom of the receptacle 2 and-the inoveme ntcf the supplemental feeding de-i 1 vice A are so timed that as soon 7 asnthe plungers '6 begin to force :thevcoating ma- 'terial onto the surface of t'hecakes, thezs upwill i push'the coating material to be distributed in even layers Over the surface of thecakes, as in dicated in Fig-9Q i-itthebeginning of this operation ofapplying the coating to the cakes, the endless carrier 27 1 will be raised to bring the cakes in proximity .to the lower ends of thenozzles l, and when the proper amount of material has been delivered onto the surface of the 4 cakes and the forward movement of the supplei nental feeding de-" vice A is arrested, the endless carrier 2? will be lowered so to breakthe stream of coating material andthe; endless :carrier will thenbe advanced and so move the cakes from beneath the orifices i. f

The mechanism for imparting a step-bystep movement tol -the endless carrier 27' and to the endless carrier-26 and the trays mounted thereon,- being the same as in the machine of my hereinbefore mentioned reissued "Letters Patent, need not be specifically described.

In Figs. ll to '22 ofthe drawings, I have shown another and whatl regard asthe preferred mechanism forelfecting the feeding of the cakes. Referring to these figures: of the drawings, a series of superposed, alternately fixed and movable steps are preferably employed. The fixed steps 78 are suitably secured at their-endsto side f-rames and each of-the fixed steps 78. As shown, the movable steps 79 are formed with rearward extensions and are connected together by vertical bolts and spacing sleeves (see Figs. 15

and 17). The groups of movable pushers are suitably sustainedby guide rails 91 projecting inwardly from the sideframes 9.0

K of the drawings.

and when they movable steps or feeders are in position for use, they will alternate with the fixed steps 78?, more clearly shown in Fig. 15 Each of the {fixed steps 78 is s'hownas having. its front edge beveled I The preferredmeans; for operatinwthe. feeding mechanism 1s lllustrated 1n igs, ,-15*to 23 of the drawings this mechanism or inclined and is provided at the top of its front edge with. a guard plate 7 8 to more efthe cakes during the feeding fectively hold operation.

differing somewhat 3 from that hereinbefore described. As shown, the lowermost feeder D that is .mounted upon the rock shaft 44:, as in- Fig; 23)"that passes through and is. adjus or pusher designated as A has connected to the rearends thereof brackets a to which a are pivotally connected the inner ends of of these rods B The outer threaded end of each passes through a hole formed in the square head 72 of the pin b the rods B.

- to which they are adjustably connected by nuts. Each of the pins 6 passes throughan opening at the upper end of a rock lever C the construction hereinbefore described.

The feeder or pusher 85 (see Fig. 22) immediately above the lowermost pusher A has centrallyconnected to its rear edge a bracket 85 to which is pivotally connected the inner end of a, threaded rod 86 (see tably connected to the headed end 86 of a pin or bolt 86. This pin'or bolt 86 passes through an adjustable block 86 that is formed at the,.1ower endof a, threaded bolt 86 that passes upward through the "frearwardextensions 86 on an arm, 87

- that is pivotally connected to a bracket .secured to the under side vof the upvided with an adjusting nut or nuts whereby its position may be determined. By adjust- 1 "ing the bolt 86 the block or head 86 may be permost stationary step 78 (see Fig. 15

- The lower end of the arm 87 is yoke-shaped .to receivethe adjustable block .or head ,86

at the end of the bolt 86", this bolt being promoved nearer to'or farther from thelower end of the arm 87? so as to vary the throw The fixed steps of the pusher 8 5. Through the arm 87* passes a pin 110 to which is pivotally connected the outer end of a rod 88", the inner end of this rod being pivotally connected to a bolt 88 carried by a bracket 88 that will be secured to the group of movable steps, as shown in Fig. 15 of thedrawings. To this same bolt 88 is also pivotally connected the inner end of a link the outer end of which is pivotally connected to a pin 80 that passes through the slotted upper end of.

the rock lever 81 that is mounted on the rock shaft 4A. The bolt 80", can be adjusted at different points within the slotted'end of the rocking lever 81, for purposes of adjustment. (See Fig. 20.).

So far as I am aware, my invention presents the first instance of a depositingmachine ,of the character described, in which provision is made for advancing the cakes to be coated while the material, such as marshmallow, chocolate or the like, is being deposited upon. the upper surface of the cakes, and while lhave described what I regard as the preferred embodiment .of the in- VGRtlOH' ll do not wish'the broad features of the invention to be understood as limited to the details of structure hereinbefore set forth, as these may be, varied within wide limits without departing from the spirit of the invention.

What I claim as new and desire to secure by Letters Patent isi 1. In a depositing machine, the combination with a receptacle for marshmallow or the like, having discharge nipples and with intermittentlyoperated means for forcibly ejecting material through said nipples, of feeding mechanism for advancing rows of cakes beneath said nipples comprising a reciprocating pusher and means for effecting relative movement between said'pusher and said nipples while the marshmall'ow'is being forcibly ejected through the nipples onto the cakes.

2. In a depositing machine, the combina tion with a receptacle for marshmallow or the like, provided with discharge nipples and with intermittently operated means for forcibly ejecting material through said nipples, of means for initially feeding rows of cakes to a position in advance of said nipples, a supplemental reciprocating pusher for advancing the rows of cakes beneath said nipples, and means whereby the discharge of marshmallow through saidn-ipples is effected. while the supplemental pusher is moving the cakes beneath said nipples.

3. In a depositing machine, the combination with a receptacle for material to be deposited and with means for discharging material from said receptacle, of means for feeding the cakes in rows to receive said material comprising a reciprocating pusher for advancing rows of cakes and mechanism timed to cause pusher to move each row of cakes while the material is being, deposited thereon. I

at. In a depositing machine, the ce'iubina tion with a rece )ta cle for the material be deposited and with meansfor int tently discharging material from said receptacle, of means for feeding cakes or the like in rows beneath said re :ptacle, said feeding mechanism comprisin an endless car-- rier belt, a reciprocating pusher for advane in o" rows of cakes beneath said receptacle, and driving mechanism timed to cause said pusher to advance the rows of cakes beneath said receptacle while the material isbeingr deposited upon the'cakes and to cause said pusher to be retracted while the discharge of material from said receptacle is arrested.

5. In a depositing; machine, the COIliljlDltion with a receptacle for material to'be deposited and with means for delivetinc; material from said receptacle, of means for feeding cakes or the like in rows beneath said receptacle, said feeding; means com} prising initial feeding mechanism for lining); up the rows of cakes in frontcfthe discharge orifices of said receptacle, and a supplem'en'tal feeder for a'dwincing therows of cakes beneath the discharge orifices of said receptacle, said supplemental feeder com prising a reciprocating; pusher and mochanism for causing said pusher to advance the cakes beneath said discharge orifices while material is being discharged from the receptacle onto the cakes and to be retracted while the discharge of material through saic orifices is arrested. and mechanism for adjustingr the throw of said supplemental feeder independently of the mechanism whereby the throw of said initial feeding mechanism is effected.

6. In a depositing machine, the combination with a receptacle for the material to be deposited and with means for deliwerinamat rial from said receptacle, of superposed, relatively fixed movable steps for initially feeding and lining up akes in front of said receptacle, supplemental reciprocating? pusher below said superposed steps, means for actuating said pusher for advancing the. cakes while the material is being; deposit-ed thereon, and means for adjusting the length of throw of said supplemental pusher independently of the means whereby the throw of said movable steps is effected. I

7. In depositing machine, the combination with a receptacle for the material to be deposited, and with plunger mechanism for forcibly ejecting material from said receptacle, of means for feeding); cakes beneath said receptacle, said feeder mechanism comprising an endless carrier belt, initial feeding devices for lining up the cakes in front of said orifices, a supplemental feeding device for advancing the cakes beneath said receptacle, and driving me'zl'ianisin timed to cause said supplemental feeding device to advance the cakes beneath said receptacle while the material is being ejected therefrom, and means for effecting the throw of said supplemental. feeding device independently of the means whereby the initial feed ing of the cakes is effected.

8Q In a depositing machine, the conibina tion with a receptacle for the material to he deposited and with means for deli crlnp;

material from said receptaclmof a seriesof superposed, relatively fixed and movable steps for initially feeding said cakes, and supplemental reciprocating pusher below said steps. and'means for actuating said receptacle while material. being;-

10. In a depositing machine, the combination with a receptacle for material to be deposited and with means for delivering material. from said receptacle, of means for initially feeding cakes in rows in advance of the discharge orifices of said receptacle, a supplemental reciprocating pusher beneath said initial feeding means for advancing the rows of cakes beneath said orifices, mechanism for actuating said supplemental pusher to advance the rows of cakes while material is being deposited thereon, and means for adjusting the movements of said supplemental pusher independently of said initial feeding mechanism.

11. In a depositing machine, the combine tion With a receptacle for material to be deposited. said reccptacle having series of discharge orifices, and with means for forcibly ejecting material through said discharge orifices, of intermittently operated feeding means for advancing cakes in rows to a position in front of said discharge orifices, a supplemental reciprocating pusher beneath said initial feeding means for advancing the rows of cakes beneath said orifices while material is being discharged therefrom, and mechanism for operating said supplemental pusher after the initial feeding means has reached the limit of its forward movement to position the cakes.

12, In a depositing machine, the eomhina tion with a receptacle for the material to be deposited and with means for delivering ma terial from said receptaclesof means forinitially feedingcakes 1n rows in front of tion with a rec'eptacle'for material to be deposited and with means for delivering material from said receptacle, of means for initially feeding cakes in front of the discharge orifices ofsaid receptacle, and a supplemental pusher beneath said feeding means for advancing rows of cakes beneath said discharge orifices, and mechanism for actuating sald supplemental pusher while material is being deposited-upon thecakes,

v saidmechanism comprisinga cam adjustable independently of the mechanism whereby theinitial feeding means is operated.

14:. In combination, depositing mechanism comprising a series of nozzles, means acting intermittently to eject material from said nozzles, and means operating intersc mittently to effect arelative horizontal movement between successive series of cakes and said nozzles as the material is ejected therefrom, and feeding mechanism operable during the 1nact1ve intervals of said depositmg mechanlsm' for positioning successive series of cakes in operative relation to said 7 depositing mechanism. 15. In combination, depositing mechanism comprising a series of nozzles,means acting intermittently toeject material from said nozzles, and means operating intermittently to effect a relative horizontal movement be a tween successive series of cakes and said nozzles asthe material 1s ejected, therefrom,

feeding mechanismoperable during inac-,

tive intervals of the aforesaid;depositing mechanism for positioning successive series of cakes in operative relation tosaid -depositing mechanism, and means likewise operable during said intervals .to effect, a

relative vertical movement between said noz-v zles andthe successive series of cakes.

16. A' depositing machine compr sing a seriesof nozzles, means acting intermittently to eject material therefrom, feeding mecha 1118111 for positloningcakes 1n rows below said nozzles, and means intermittently'act ing toadvance each row of cakes relatively to said nozzles as the material is discharged therefrom, said means being adjustable to vary the operation thereof independently of said feeding mechanism. Y

F EDERIoK WEsT RM N. 

